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Warning: Undefined variable $sum in /var/www/zomercompetitie_test/functions/competitie.php on line 530

Fatal error: Uncaught mysqli_sql_exception: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near ' sum() as 'totaal' FROM individueel i INNER JOIN lidnummerlijst l ON i.speler...' at line 1 in /var/www/zomercompetitie_test/functions/competitie.php:530 Stack trace: #0 /var/www/zomercompetitie_test/functions/competitie.php(530): mysqli->prepare() #1 /var/www/zomercompetitie_test/index.php(32): individueel() #2 {main} thrown in /var/www/zomercompetitie_test/functions/competitie.php on line 530